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Home My WebLink AboutWetland Delineation 901342010 Eric and Jamie Jensen Wetland Delineation and Analysis Report Parcel #901 342010 November 2006 rrJ :J (.; r~ n._ t;..n .... .... r .. ,W b . ~ . r. r-.----..' 1.. ' -'. . . I -. I.. :; I , DEe 2 7 200~J::-. L . .'; 'y ;:.:~!.:,~,_:..:i.2..:.":, \ JEvhoPMENT Eric and Jamie Jensen 3871 West Valley Road Chimacum, WA 98325 fi. . .~. '. '. .~< 'f"' 1...1. rvl.. . n Ii' .. ,., V!J '-~ '1 : \1 r----.-- 1 ", t .. I r . DEe 27 J":"- \ 1---. .-\/ JfVElOPMENl Prepared for: , 360 385-6432 dixie@cablespeed.com Eric and Jamie Jensen Wetland Delineation and Analysis Report Parcel # 901 342010 November 2006 Table of Contents Introduction Description of Site Methodology Background Information Wetland Delineation Findings General Wetland Conditions Soils Vegetation Hydrology Wetland Analysis Results Wetland Categorization Buffer Requirements Summary r;:';J "( I r) r.~'-"'-- I . l' I' r,:."" n'l. '-..... ;! y~ ,-,:, j 1\ --l Limitations DEe 2 7 2006 1"':"-' :y Jnli:LOPMENT i L- References Appendices Sheet #1 Location Map and Soil Survey of Jefferson County, State of Washington Sheet #2 Wetland Boundary Map Applied Methodology Wetlands Rating Field Data Form Data Forms, Routine Determination WA State Wetland Delineation Manual r r"~~-'-'-; -~-' !, I. "\ \ / Eric and Jamie Jensen Wetland Delineation and Analysis Report n r'r, 2 7 ucl Parcel # 901 342 010 I ! ~___~'.__h November 2006 Introduction Olympic Wetland Resources, Inc. has been authorized by Jamie Jensen to perform a wetland delineation at 3871 West Valley Road, Chimacum Washington. The goal of the wetland delineation was to define the wetland edges, analyze wetland categories, and determine associated buffers that would restrict a single family residence and the placement of a septic system. There is currently an older home on this parcel. Jefferson County Critical Areas Maps indicate a wetland near the property that connects with the larger wetland associated with Chimacum Valley and Chimacum Creek. A Type 5 Stream is also indicated on the property boundary to the north. The delineation was conducted on November 20, 2006. Description of Site · Legal Description: Parcel #901 342 OlD, Section 34 Township 29N Range 1 W · Location: 3871 West Valley Road, Chimacum, Jefferson County WA · Soils: StB Swantown gravelly sandy loam, ChC Cassolary sandy loam and Se Semiahmoo muck (listed as a hydric soil, Jefferson County Hydric Soil List 1/91) . Slopes: 0 to 8 percent A map ofthe site location and mapped soils is included in the Appendix (Sheet #1). The Jensen property is approximately 3.7 miles south of the Chimacum intersection on West Valley Road. The area is an east facing slope with a gentle grade transitioning to flat bottomland that consists of farms along Chimacum Creek. A Type 5 Stream flows under a 12" culvert to the north and roughly follows the northwestern property boundary. During this delineation the stream was not flowing but the area was saturated. The site is consists of pasture land and upland forest along the southern boundary. The surrounding neighborhood is also farmland with residences and scattered undeveloped tracts of forest. Methodology Fieldwork to determine the actual wetland boundaries was conducted according to the methodology outlined in the Washington State Wetland Identification and Delineation Manual (Department of Ecology March 1997). All wetlands within Jefferson County are subject to requirements outlined in the Jefferson County Unified Development Code (UDC) dated January 1,2001. Land use restrictions will apply to all future developments associated with this parcel. Jensen Delineation and Analysis Report Report File Number 2006-1120 I Olympic Wetland Resources, Inc. November 2006 -' .'~'----'_._' \~ -~ iY JEVELOPMENT Background Information The following resources were consulted prior to field work for this project:: '. . Jefferson County Critical Areas Map (1995) \. . National Wetland Inventory Map · Aerial Photographs (Soil maps pre-l 975 and 1994,2000 and 2005 internet) L. · Jefferson County Unified Development Code (January 1,2001) · Soil Survey of Jefferson County (U.S. Soil Conservation Service 1975) . Washington State Wetland Identification and Delineation Manual · National List of Plant Species That Occur in Wetlands: Northwest (Region 9) nr::r 2 7, LlLIv \ C.~.i ..--l if JEVELOPMENT The Jefferson County Critical Areas Map indicates that the subject wetland connects to a much larger wetland associated with the entire Chimacum Valley. The boundaries of the subject wetland on the National Wetlands Inventory Map differ slightly. The NWI map indicates the wetland adjacent to the parcel is more isolated from the valley wetland. The wetland is classified as PEMB; Palustrine, Emergent, Saturated. Wetland Delineation Findings General Wetland Conditions The wetland edge is contained within the low lying areas of a natural gully. Hydrology for this wetland is from surface water from surrounding areas and a 12" culvert under West Valley Road. This wetland is low in habit value due to few structural layers and low species diversity. Large stands of common rush and reed canarygrass were the dominant species within the wetland. Water from the wetland does eventually.enter Chimacum Creek, a salmon bearing creek. This upslope wetland could potentially filter pollutants out of ground water before entering Chimacum Creek. The wetland's edges were flagged with orange plastic ribbon labeled "Wetland Boundary," at points 20 to 30 feet apart. Flagging is labeled with alphanumeric codes (AI through A 7). The data point locations, wetland edges, and buffers are indicated on the Wetland Boundary Map in the Appendix (Sheet #2). Soils Jefferson County Soil Survey lists the soils as: StH Swantown gravelly sandy loam, ChC Cassolary sandy loam and Se Semiahmoo muck. The muck is a hydric soil that is found in the low lying areas of Chima cum Valley. Soils in Data Point 1 (DP #1) were clearly hydric. A dark, organic soil was found with a low chroma (Munsell I OYR 2/1). Soils were saturated at the surface and free water was present to within nine inches of the surface. This soil was very similar to that described as Semiahmoo muck in the Jefferson County Soil Survey. Jensen Delineation and Analysis Report Report File Number 2006-1120 2 Olympic Wetland Resources, Inc. November 2006 ~ Soil pits in the upland at Data Point 2 (DP #2) indicated the presence of more sand although similar soils were identified. This soil had a low matrix chroma (Munsell 1 OYR 2/2 and 4/2 with mottles). Mottles were present in the lower portions of the soil test pit indicating a rising water table. Since this data point was upslope and within an upland vegetation community, it is outside of the wetland. The soil at this site was similar in appearance and texture to the description of Cassolary sandy loam. Smaller pits were dug at irregular intervals to help determine the wetland boundaries. The distinct differences in soil and vegetation types made the boundary fairly clear. Vegetation Wetland vegetation was dominated by an emergent layer of common rush and creeping buttercup. At Data Point #1 the majority (100 percent) of the dominant vegetation was hydrophytic. There were young alders and blackberries along the perimeters of the wetland. Upland Data Point #2 was dominated by upland species of pasture grasses and includes orchard grass and thistle. Himalayan blackberry and rose also formed a thicket along the northern portion of the wetland. At Data Point #2 only 25 percent of the vegetation was hydrophytic. Below is the list of vegetation identified on site and the assigned indicator status of each species. Scientific Name Wetland Plants A ostis ca illaris A/nus rubra Juncus e sus Pha/aris arundinacea Ranuncu/us re ens Rosa nutkana Upland Plants Circium arvense Dac /is /omerata Rubus disc%r Common name ass Status La er FAC Grass FAC Tree FACW Herb FACW Grass FACW Herb FAC Shrub FACU+ Herb FACU Grass FACU Shrub UPL Upland Species, FACU Facultative Upland Species/Non Wetland, FAC Facultative Species, FACW Facultative Wetland Species, OBL Obligate Wetland Species, NI No Indicator Assigned The qualifier of + or - further defines the status of the species. Plants classified according to the Fish and Wildlife Service; 1988,1993 Update Jensen Delineation and Analysis Report Report File Number 2006-1120 3 I r~"''I j ( i?-;:'~rr~ i ' , '\ I , ! ell ,,.if. .'\ !Ii t J r----- ~'_-:>! I' f \.. I, 1\ I i I I L:-. DEe 2 7 2006 ~L:.I ;y Jl:VfLOPMENT Olympic Wetland Resources, Inc. November 2006 Hydrology A high water table was present throughout the wetland, ranging from 9 inches below the surface at Data Point #1 to surface saturation. No water was observed flowing in the mapped Type 5 Stream. Wetland Analysis Results Wetland Categorization The onsite wetland was classified using the Washington State Wetland Rating Field Data Form (Department of Ecology #96-94). Based on the number of points (20) this wetland rates as a Category III wetland. The rationale behind this categorization is that there is little species diversity or habitat value. This wetland does have value to improve water quality from surface runoff prior to entering Chimacum Creek. Buffer Requirements In Jefferson County, the standard buffer width for a delineated Category III wetland is 50 feet. All buffers are measured perpendicular from the delineated edge (Jefferson County Unified Development Code, Jan. 1,2001,3-30 Buffers Table 3-4). The proposed single family residence and septic system are well outside this buffer. Summary A Category III wetland was delineated on the Jensen parcel. The required 50-foot buffers from the wetland edge will not restrict building plans or the placement of the septic system as indicated by Jamie Jensen. The wetland, although connected to the high quality system associated with Chimacum Creek will not be altered by future development. Limitations Wetland status depicted in this report has not been confirmed by a government official, final authority over this wetland determination rests with the governmental agencies. Jurisdictional authority over wetlands rests with the local, state and federal agencies. All information in this report should be reviewed by the appropriate regulatory agencies prior to approval. If there are further questions or planning requirements for this project please do not hesitate to call. f'nl'" r p~ n Wi ,... ~.. Ilr)r-- ... ""'l. I; ( 1 I I' DEe 2 7 2006 I '-'-' I L ' JEv110PMENT Dixie Llewellin Principal Biologist Olympic Wetland Resources, Inc. Certified for Wetland Delineation, 1987 Manual Wetland Training Institute, June 1995 Jensen Delineation and Analysis Report Report File Number 2006-1120 4 Olympic Wetland Resources, Inc. November 2006 ... ~... ., ... .. II f ~ .. .. 'I. . Appendices . ". . ., .. . ~. . ~ Sheet #1 Location Map and Soil Survey of Jefferson County, State of .Washington .,' / Sheet #2 Wetland Boundary Map ~ , .. Applied Methodology" ' \ , . " 9. Wetlands Rating ~ield Data Form #' , . , Data Forms, Routine Determination WA State Wetland Delineation Manu411 .. . .., -- ~ .~ r \f~ n ~.n ' ,'r--\. n,. . .. I!J..::. \ ' L.. r--.'-' \, \ ,'. DEe ~ 7 2005 Ii:-- \ \ . J .-r- \ L..... . . · ,(VEIDPMENT J . d::.'~' ~ .. rille: Location and Soil Map SIDle: Sheet Olympic Wetland Resources, In 3871 West Valley Road ~ Indicated Chimacum W A 98325 Dote: 856 50th Street October 2006 #1 Port Townsend, WA 98368 (trent: Eric and Jamie Jensen 360 385-6432 3871 West Valley Road Job #: 2006-1015 dixie@coblespeed.com Chimacum, WA 98325 Parcel #901 342010 TOPO! map printed on 05/08/02 from "Puget.tpo" and "Untltled.tp9" 122042'00" W 122033'00" W WGS84122017'00" W Subject Properly StB Swantowngravelly sandy loam ChC Cassolary sandy loam z b ~ .-f o o ~ z b o in III o ~ r:~.\ ( IT'\lr.-_.~ - /! I ' i 2006 I W L.,.. fY ii, :'; ...;,,',,1.> uEVELOPMENT ~:-: ~_,,""'."""""--'-'~O._"""""="~_,""'._.-' '''"~''~~ z TNtl.MN Vl9" Applied Methodology Jefferson County " r. fr> n t\q :- r::; \f') r-'~~";' ~ ~"1. i Ii ,I r, DEe 2 7 200~C:;; . 'V I ,: .,' eo'! JEVELOPM~ Lc,,~,.'cc; Washington State Wetland Identification and Delineation Manual Fieldwork to determine the actual wetland boundaries was conducted according to the methodology outlined in the Washington State Wetland Identification and Delineation Manual (Department of Ecology March 1997). Chapter 173-22 of the Washington Administrative Code requires that all wetlands within the State of Washington be delineated using this manual. All wetlands within Jefferson County are regulated according to the Jefferson County Development Code, January 2001 (UDC). The methodology outlined in the Washington State Wetland Identification and Delineation Manual requires examination of the three parameters for a positive wetland determination: hydric soils, hydrophytic vegetation, and hydrology. For an area to qualify as ajurisdictional wetland it must have a positive indicator from all three parameters. All wetlands identified using this methodology may be federally regulated, regardless of size. The subject parcel was initially examined to identify plant communities, potential wetlands, topographic features, hydrology sources, and drainage patterns. It was determined whether human impacts to the site would significantly alter the wetland. Hydrophytic Vegetation Criterion: Wetland plant species must, under normal circumstances, constitute greater than 50% of the total vegetation present to meet the qualification as a site dominated by hydrophytic vegetation. Dominance of plant species is determined by calculating actual aerial cover within a 3D-foot radius for trees, a 10- foot radius for shrubs, and a 6-foot radius for the herbaceous layer at each data point. Commonly occurring plant species have been rated by the United States Fish and Wildlife Service (USFW) National List of Plant Species That Occur in Wetlands: Northwest (Region 9), as to their frequency of occurrence in wetlands and non-wetlands. During the fieldwork, each species was recorded and given a rating based on indicator status and percent cover. Hydrophytic Soil Criterion: A hydric soil is a soil that forms under conditions of saturation, flooding, orponding lasting long enough during the growing season to result in an anaerobic upper layer (USDA Soil Conservation Service, 1987). Hydric soils favor the growth and regeneration ofhydrophytic vegetation. The indicators for this type of soil include low chroma, mottles, gleying, and high organic content within the upper 32 inches of the soil profile. Holes were dug on the site and soil colors (including value and chroma) were recorded in the top 16 inches. Soil colors were analyzed using the Munsell Color Charts (1992). Wetland Hydrology Criterion: Wetland hydrology is defmed in the Washington State Wetland Identification and Delineation Manual as "areas that are periodically inundated or have soils saturated to the surface at some time during the growing season." Areas must have seasonally inundated or saturated soil at least 12.5% of the growing season (20 days out of258 days). The growing season is described in Jefferson County by the Jefferson County Soil Survey as March 12 to November 25. The growing season can also be defined by soil temperature at 19.7 inches below the soil surface being higher than biological 0 (50C or 400F). Indicators of hydrology include visual observation of inundation or soil saturation, water-stained leaves, cracking of the soil surface, oxidized root channels, and/or sediment depositS. Positive signs of hydrology are often absent during the summer and fall months but can be inferred if there are positive indicators of hydric soil and hydrophytic vegetation. Categorization Wetland categorization was determined using the Washington State Department of Ecology (DOE) Wetland Rating System, Western Washington (publication #93-74 August 1993), which assigns a numerical value to any given wetland according to wetland size, quality of surrounding buffers, vegetation diversity, wetland types, and habitat value. Wetlands are rated as entire systems and quite often exceed project boundaries. Ratings range from Category I, (pristine and rare critical areas), to Category IV, (degraded or isolated wetlands). Buffers assigned are based on the degree of protection the wetlands require. Determining Wetland Edges Wetland edges were determined by establishing pairs of data points: one within the wetland which contains positive indicators of all three of the wetland requirements: soils, hydrology, and vegetation, and another data point outside the wetland, where one or all of the requirements were not present. The wetland edge is flagged between the pairs of points at intervals of 20 to 40 feet. Wetland Delineation Methodology Plant Community Assessment: At each Data Point the dominant plant species within the tree, shrub, and herb stratum were identified according to Flora of the Pacific Northwest (Hitchcock and Cronquist 1973) and recorded. The estimated percent aerial cover and the indicator status were also recorded. It was then determined whether the hydrophytic vegetation criteria was met. When 50% or greater of the dominant species have an indicator status ofOBL (Obligate wetland species), FACW (Facultative wet wetland species), F AC (Facultative wetland species), the vegetation is considered hydrophytic. Outside the wetland, upland species have an indicator status ofFACU (Facultative upland species), UPL (Obligate upland species), and NI (No Indicator Status). Characterization of Soils: At each Data Point, a hole 16 to 18 inches in depth was dug. Existing perk holes were examined when present. Soil characteristics (matrix color, presence of mottles, etc.) were examined and recorded. It was then determined whether the hydric soil criterion was met. Determination of Hydrology Criterion: At each Data Point the presence ponding, depth of water within the soil pits, soil saturation, or other hydrological field indicators was recorded. It was then determined whether the wetland hydrology criterion was met. Seasonal wetlands that are dry during the summer months were1anll1yze,d J!sing historical maps and evaluating the soils and plant communities. rr;\ ... (. fE' n III 'Jr-"'-'--- . q I I I L_ '"0 ;~ r w ~.::) -: I DEe 2 7 2DO~,-- : iY JEVELOPMEN I Wetland Rating Field Data Form Background Information: Name of Rater: Dixie Uewellin Affiliation: Olvrnoic Wetland Resources Inc. Date:November 20, 2006 Name of Wetland (if known): 3871 West Valley Road Government Jurisdiction of Wetland: Jefferson County, Corps of Engineers, W ADept Of Ecology Location: Section:34 Township: 29N Range:IW Sources of Information: (Check all sources that apply) Site VISit X USGS Topo Map: X NWIMap: X Aerial Photo: X Soil Survey: X Other: X Describe:Jefferson County Wetland and Stream Maps When the Field Data Form is Complete Enter Category Here: 20 points I III Q1. High Quality Natural Wetland la. Human caused disturbances Circle Answers Is there significant evidence of human-caused changes to topography or hydrology rn) ;0 (". f,.cJ il or the wetland as indicated by any of the following conditions? l ~" Consider only changes that may changes that may have taken place in ,he last 5 It, r- ~ ! decades. The impacts of changes done earlier have probably been stabilized and the " ----.-....-- wetland ecosystems wiD be close to reaching some new equilibrium that may represent a high quality wetland. [ DEe 2 7 ".1 Upland watershed>12% impervious Yes: go to Q.2 I lL2 Wetland is ditched and water flow is not obstructed Yes: go 10 Q.2 10.3 Wetland has been graded, filled, logged Yes: go to Q.2 1..4 Water in wetland is controlled by dikes, weirs, etc. Yes: go to Q2 1a.5 Wetland is grazed Yes: go to Q.2 L . :. la.6 Other indicators of disturbance (listed below) Yes: go to Q.2 lb. Are there populations of non-native plants which are currently present, cover ..., ~. more than 10"10 of the wetland, and appear to be invading native populations? Yes: go to Q.2 X Briefly describe any non-native populations and information source(s): Ie. Is there evidence ofbuman-caused disturbances which have visibly degraded water quality. Evidence of the degradation of water quality include: <Iirect (untreated) Yes: go to Q.2 runofftTom roads or parking lots; presence, or historic evidence, of waste dumps; ollv sheens; the smell of oOlaniC chemicals; or livestock use. Brieflv Describe: No: Possible Cat. I Q.2. Irreplaceable Ecological Functions: Does the wetland have at least 1/4 acre of organic soils deeper than 16 inches and the wetland (No to all: j!0 to Q3) I is relatively undisturbed; Yes go to 2a. OR have a forested class greater that I acre; Yes: Go to 2b. OR have characteristics of an estuarine system; Yes: Go to 2c. OR have eel wass floatil1ll or non-floalinl! kelo beds? Yes: Go to 2d. 2a. Bogs and Fens Are any of the three following conditions met for the area ,of organic soil? 2a.1 Are Sphagnum mosses. a common ground cover (>30%) and the cover of of invasive species (Table 3) less than IO"Io? Is the area of ophagnum mosses and deep organic soils> 112 acre? Yes: Category I Is the area of sphagnum mosses and deep organic solis 114 to 1/2 acre? Yes: Category II No: Go to 2a.3 1..2 Is there an area of organic soil which has an emergent class with at least one species from Table 2, and cover of invasive species is <10% (see Table 3)? Yes: Category I Is the area of herbaceous plant and deep organic solis >1/2 acre? Yes: Category II Is the area ofberbaceous plant and deep organic soils 1/4 ,0> 1/2 acre? No: Go to 2a.3 2a.3 Is the vegetation a mixture of only herbaceous plant and sphagnum mosses with no scrub/shrub or forest classes? Is the area of herbaceous plants, ophagnum, and deep organic soils> 1/2 acre? Yes: Category I Is the area of herbaceous plants. sphal!lll1m, and deeo orllaDic soils 1/4 to 112 acre? Yes: CaieRorv II Q.2b Mature Forested Wetlands 2b.1 Does SO"/oOfthe cover of upper forest canopy consist of evergreen trees older than Yes: Category I 80 years or deciduous trees older than 50 years? No: Go to Zh.2 Note: The size of trees is often not a measure of age, and size cannot be used as a surrogate for age. Ib.2 Does 50% of the cover offorest canopy consist of evergreen trees older than SO years, AND is the structural diversity of the forest high as characterizc:d by an Yes: Go to 2b.3 additional layer of trees 20'-49~ tall, shrubs 6'-20' tall and a herbaceous groundcover? No: Go to Q.3 2b.3 Does <25% of the areal cover in the herbaceous! groundcover layer Yes: Category I or the shrub laver consist of exotic soecies? No: Go to Q.3 Q.2c Estuarine Wetlands 2c.1 Is the wetland listed as National Wildlife Refuge, National Park, National Estuary Yes: Category I Reserve, Natural Area Preserve, State Park, of Educational, or Sciemific Reserves No: GO to 2c.2 Designated under WAC 332-30-151? 2c.2 Is the wetland >5 acres Yes: Category I Note: If an area contains patches of salt tolerant vegetation that are I)1ess than 600 feet apart and that are separated by mudllats that go dry on a Mean Low Tide, or 2) separated by tidal channels that are less than 100 feet wide; all the vegetated areas are to be considered together in calculation the wetland area OR is the wetland 1-5 acres; Yes: Go to 2c.3 OR is the wetland <I acre Yes: Go to 2cA 2c.3 Does the wetland meet at least 3 of the following 4 criteria: Yes: Category I - Minimum existing evidence of human related disturbance such as diking, ditching, No: Category II filling, cultivation, grazing or the presence of non-native plant species; -Surface water connection with tidal saltwater of tidal freshwater; -At least 75% of the wetland has a 100' buffer ofungrazed pasture, open water, shrub, or forest; -Has at least 3 of the following features: low marsh; high marsh; tidal channels; lagoon(s); woody debris; or contiguous freshwater wetland Yes: Category II 2c.4 Does the wetland meet all of the four criteria under 2c.3? (above)? No: CateRorv III Q2.d Eelgrass and Kelp Beds 2d.1 Are eelgrass beds present? Yes: Category I No: GO to 2d.2 2d.2 Are their floating or non-floating kelp beds present with greater than 50"10 macro- Yes: Category I a1"'" cover in the month of Auwst of Seotember? Yes: Catellorv II 1;\:1 V ~=> .-----::: r-\ Ii I 2ao~ "--,:]1' " ._~l~:VE!.OPMENT Q.3 Category IV Wetlands 3a. Is lhe wetland :Iess lhan I acre AND hydorlogically isolated, AND comprised of one Yes: Cale~orv IV vegetated class lhat is dominated (>80"10 areal cover) by one species from Table 3 or 4 No: 2010 3b. I 3b, Is the wetland: less lhan 2 acres AND bydorlogically isolated, wilh one vegetaled class, Yes: Calellorv IV and >90%ofareal cover in any combination of species from Tale 3. No: jl;0 10 3c. I 3c. Is the wetland excavated from upland AND a pond smaller lhan I acre without a Yes: Cat..orv N surface water connection to streams, lakes, rivers or other wetland, and has No: ~o to Q.4 <0.1 acre of vegetation Q4. Significant Habitat Value Acres Points Answer all questions and enter data requested >200 6 4a. Total Wedand Area 40-200 I 5 5 Estimate area, select from choices in the near-right column and score in the far column: 10-40 4 S.IO 3 Enter acreage of wetland here SO=acres, and source: Wetland Map Jefferson County I-S 2 Due to connection to Chimaaun Creek wetland 0.1.1 I <0.1 0 4b. Wetland a.....: Circle the wetland classes below that qualifY: OpeD Water: if the areas of open water is >1/4 acre # of cia.... Points Aquatic Bed.: if the area of aqua lie beds is >1/4 acre I 0 Emergent: if the area of emergent class is >1/4 acre 2 3 3 Scrub-Shrub: iflhe area of scrub-shrub class is > 114 acre 3 6 Fo.....ed: if the area of forested class is >114 acre 4 8 Add lhe number of wetland classes, above, Ihat qualifY, and then score according to S 10 the columns at right e.g. 4 classes + 8 points. 4e. Plant Species Diversity For each wetland class (below) that qualifies in 4b. count the number of different planl species you can find that cover more than 5% of the g;round. You do not have to name them. Class #Specie. Points Class #Species Points Aquatic Bed 1 0 Scrub -Shrub 1 0 2 I 2 I 1 3 2 3-4 2 >3 3 >4 3 Emergent I 0 Forested 4 0 2-3 1 2 I 3 4-S 2 3-4 2 >S 3 >4 3 3 441. Structural Diversity If the wetland has a forested class, add I point if each of the following classes is present within Ihe forested class and is Iaraer than 1/4 acre: Trees > SO~all Yes I Trees 20'to 49' Yes I Shrubs Yes I 2 Herbaceous ground cover Yes I Also add one point if there is any "open water" or lIaquatic bed" class immediately nesllo the forested area (i.e.. There is no scrub/shrub or emer~enl vClletation between Ihem) Yes I 4e. Intenpersioa Between Wetland Oanes High S Moderate 3 Low I I I None 0 4t Habitat Features Answer question below and apply score to lhe right: I. there evidence lhal the open or standing water was caused by beavers? Yes 2 Is a heron rookel}' located within 300'7 Yes I Are reptor nests located within 300' Yes I Are there alleast 3 standing dead trees (snag.) per acre greater than 10. at (DHH)? Yes I 0 Are there at least 3 downed log. per acre with a diameter >6. for at least 10' in length? Yes I Are there areas within the wetland that are ponded for at least 4 months oul of the year, and the wetland has not nualified as having an open water class in Question 4b.? Yes 2 4l!- Con...tion to Stream. (Score one answer only) 4g. I Does lhe wetland provide habilat for fish at any time of the year AND does il have a perennial surface water connection 10 a fish bearing .tream? Yes 6 4g.2 Does the wetland provide fish habitat seasonally AND does il have a seasonal surface water connection to a fish bearing stream? Yes 4 4g.3 Does the wetland function 10 expon organic matter Ihrough a sure... water connectioo at all times of the year 10 a perennial slTeam? Yes 4 4 4g.4 Does the wetland fimction to expon organic matter IhrOUgh a surface waler connection to a stream on a seasonal basis? Yes 2 4b. BulTen Score the existing buffer on a scale of 1-5 based on the following descriptions. If the condition. of the buffers do not exactly malch the description, score either a poinl higher or lower depending on whether the buffers are less or more degraded. FOrest, scrub, native grassland or open water buffers are present for more than 100' around 95% of the circumference Score S Forest, scrub, native grasslands or open water buffer. wider than 100' for more than 1/2 of the wetland circumference, or a forest, scrub grassland, or open water buffer for more lhan SO' around 9S% of the circumference Score 3 Forest, scrub, native grassland or open waler buIlers wider than 100' for more lhan 1/4 of the wetland circumference, or a forest, scrub, native grassland, or open water buffers wider lhan SO' for more than In of lbe wetland circumference Score 2 No roads, buildings or paved areas within 100' of the wetland for more than 95% oflhe .~."^. .--- ---,- 1(,"'"'"'" j " it") wetland circumference Score i: I-~\ ! No roads, buildings or paved areas within 2S. of the wetland for more than 9S% oflhe r.f i -'! -.. -~~~~-,,,-,- circumference, or no roads buildings or paved areas wilhin SO' of lhe wetland for ill );-- more than 1/2 of the wetland circumference Score ,! I I Paved areas, industrial area. or residential construction (with less than SO' between houses) ,l 2 ~ ~ DEe are less than 2S feet from the wetland for more than 95% of the circwnference I oflhe wetland Score 0 I o'W F' ':~~ ! . L-.. 7 ZDO~, .;y JEVELOPMf 4i. Connection to other habitat areas: Select the description which best matches the site being evaluated. Is the wetland connected to. or part o( a riparian corridor at least 100' wide connecting two or more wetland; or, is there an upland connection present> J 00' wide with good forest or shrub cover (>25% cover) connecting it with a Significant Habitat Area? Is Ihe wetland connected 10 any olher Habital Area wilh eight I.) a forested/shrub corridor< 100' wide, or 2.) a corridorthat is > 100' wide but has a low ~egetative cover less that 6' in height? Is Ihe wetland connected to, or part of, a riparian corridor between 50-100' wide with a scrub/shrub or forest cover connected 10 other wetlands? Is the wetland connected to any other Habit Area with narrow corridor (<100') oflow vegetation (<6' in height)? Is the wetland and its buffer (if the buffer is less that 50' wide) completely isolated by development (urban, residential with a density greater that 21acre, or industrial ., Total Score Q.4 4a. Through 4i. Is the total greater than or equal to 22 points? 20 points rr;~--~;(--_._--l.::. ~[j-~ r-', \ , ~'~"'\ \ '01 :.~, \ \ III )[- ._-~.. L . , i i , I \ \--- YES~S YES=3 YES=) YES,:"I YES=O DEe 2 7 2QO~ ~ ',/ JrVELOPMENT Routine Wetland Determination DATA FORM 1 (Revised) WA State Wetland Delineation Manual or 1987 Corps Wetland Delineation Manual) Project/Site: 3871 West Valley Road, Chimacum WA Date: 2006/11/20 Applicant/owner: Eric and Jamie Jensen County: Jefferson I nvestigator( s}: Dixie L1ewellin, Olympic Wetland Resources, Inc. State: WA SfT /R: 34/29N/1 W Do normal circumstances exist on the site? ~Yes DNo Community ID: Is the site significantly disturbed (atypical situation)? DYes ~No Transect ID: Is the area a potential problem area? DYes ~No PlotlD: DP 1 Explanation of atypical or problem area: VEGETATION (For *strata, indicate T = tree; S = shrub; H = herb; V = vine) Dominant Plant Soecies *Stratum % cover Indicator Dominant Plant Soecies *Stratum % cover Indicator Alnus rubra T 10 FAC Juncus effusus H 70 FAC Ranunculus repens H 15 FACW Phalaris arundinacea H 10 FACW Agrostis capillaris H 5 FAC HYDROPHYTIC VEGETATION INDICATORS: % of dominants OBL, FACW, & FAC: 100% Check all indicators that apply and explain below: ~ Visual observation of plant species growing in D Physiological/reproductive adaptations areas of prolonged inundation/saturation ~ Wetland plant database D Morphological adaptations ~ Personal knowledge of regional plant communities D Technical Literature D Other (explain) . Hydrophytic vegetation present? ~Yes DNo Rationale for decision/Remarks: Within drainage.. HYDROLOGY Is it the growing season? ~Yes DNo Water Marks: DYes ~No Sediment Deposits: DYes DNo on Based on: ~ Soil temp (record temp) 46.5 Drift Lines: DYes ~No Drainage Patterns: ~Yes DNo D Other (exolain) season Depth of inundation: o inches Oxidized Root (live roots) Local Soil Survey: ~Yes DNo Channels <12in.: D Yes ~ No Depth to free water in pit: 9 inches FAC Neutral: DYes ~No Water-stained Leaves: DYes ~No Depth to saturated soil: surface Check all that apply & explain below: Other (explain): r--C:-;;--F---;i,<Vi--'; -- D Stream, lake or gage data '\, , i'\ ! .'. \J i~ D Aerial photographs I . l \ L / r. .__._s__- 1 ~ Other Wetland shown on Jefferson Map I il . - ^ -. ( r....nr ,. Wetland hydrology present? ~ Yes D No \ --uCl, L I LVvJ ; k -;j ; i Rationale for decision/remarks: Water saturated at surface and in test pit. __.--J I JEVELOPMEJ~T -.--'~_.~ I ..-J ~- SOILS Map Unit Name (Series and Phase) : StB Swantown Drainage Class: Ivw-1 gravelly loamy sand, 0 - 8 percent slopes Field observations confirm mapped type? IZI Yes o No Taxonomv(subQrouo Entic Durochrepts Profile Description Depth Matrix color Mottle colors Mottle abundance Texture, concretions, Drawing of soil profile (inches) Horizon (Munsell moist) (Munsell moist) size and contrast structure, etc. (match descriotion) 0-9" 10YR 2/1 None Loamy sandy 9"-16" 1 OYR 4/2 10YR 4/6 Abundant sandy loam Hydric Soil Indicators: (check all that apply) 18I Histosol o Matrix chroma ;s; 2 with mottles o Histic Epipedon o Mg or Fe Concretions o Sulfidic Odor o High Organic Content in Surface Layer of Sandy Soils o Aquic Moisture Regime o Organic Streaking in Sandy Soils o Reducing Conditions o Listed on National/Local Hydric Soils List 18I Gleyed or Low-Chroma (=1) matrix o Other (exolain in remarks) Hydric soils present? 18I Yes ONo Rationale for decision/Remarks: Wetland Determination Hydrophytic vegetation present? 18I Yes ONo Hydric soils present? 18I Yes ONo Wetland hydrology present? 18I Yes ONo Is the samolina ooint within a wetland? 18I Yes ONo Rationale/Remarks: This area is within the area that drains to Chimacum Creek. , NOTES: Revised 4/97 _._,-~.~-~--.~f~' .. (' '~_. \l ,.jl · ' . \ ,-~ '\:J i..:..1 \ ", --,.----l r-' . \'\ \ \ l. r-- \ - l ,- it 1 \ _...-.".,,'.C" DEe 2 7 ~ - I \'-... , I \ --- I \ L....-- ,. ,':\/\':'_ Opr'/IENT .:".~':----- Routine Wetland Determination DATA FORM 1 (Revised) WA State WeUand Delineation Manual or 1987 Corps WeUand Delineation Manual) ProjecVSite: 3871 West Valley Road, Chimacum WA Date: 2006/11/20 ApplicanVowner: Eric and Jamie Jensen County: Jefferson Investigator(s): Dixie L1ewellin, Olympic Wetland Resources, Inc. State: WA SfT/R: 34/29N/1 W Do normal circumstances exist on the site? ~Yes. DNo Community 10: Is the site significantly disturbed (atypical situation)? DYes ~No Transect ID: Is the area a potential problem area? DYes ~No PlotlD: DP2 Exolanation of atypical or problem area: VEGETATION (For *strata, indicate T = tree; S = shrub; H = herb; V = vine) Dominant Plant Species *Stratum % cover Indicator Dominant Plant Species *Stratum % cover Indicator Rubus discolor S 30 FACU Dactylis glomerata H 40 FACU Circium arvense H 10 NI , Agrostis capilaris H 20 FAC HYDROPHYTIC VEGETATION INDICATORS: % of dominants OBL, FACW, & FAC: 25% Check all indicators that apply and explain below: ~ Visual observation of plant species growing in D Physiological/reproductive adaptations areas of prolonged inundation/saturation ~ Wetland plant database D Morphological adaptations ~ Personal knowledge of regional plant communities D Technical Literature D Other (explain) Hydrophytic vegetation present? DYes ~ No Rationale for decision/Remarks: Upslope from Data Point 1 HYDROLOGY Is it the growing season? ~Yes DNo Water Marks: DYes ~No Sediment Deposits: DYes ~No on Based on: ~ Soil temp (record temp) 46.5 Drift Lines: DYes ~No Drainage Patterns: DYes ~No D Other (explain) season Depth of inundation: o inches Oxidized Root (live roots) Local Soil Survey: ~Yes DNo Channels <12i1.: D Yes ~ No Depth to free water in pit: o inches FAC Neutral: DYes ~No Water-stained Leaves: DYes ~No Depth to saturated soil: none Check all that apply & explain below: Other (explain): D Stream, lake or gage data D Aerial photographs m~~----_.-i:'-_.__.--f\-\T-::-:-F - D Other '\ 1\ Wetland hydrology present? DYes ~ No II' !! ! , I il i Rationale for decision/remarks: 'I nr" 2 7 l' - . i I.Jcl. ; ~.., .~ -" . 1____ \ \ \ ,(:v'rLCJPMENT J -...;----------- SOILS Map Unit Name (Series and Phase) : StB Swantown Drainage Class: Ivw-1 gravelly loamy sand, 0 - 8 percent slopes Field observations confirm mapped type? [gI Yes o No T axonomv (subarou[ ) Entic Durochrepts Profile Description Depth Matrix color Mottle colors Mottle abundance Texture, concretions, Drawing of soil profile (inches) Horizon (Munsell moist) (Munsell moist) size and contrast structure, etc. (match descriotion) 0- g" 10YR 212 None Loamy sandy 9"-16" 10YR 4/2 10YR 4/6 Faint sandy loam Hydric Soil Indicators: (check all that apply) [gI Histosol o Matrix chroma ~ 2 with mottles D Histic Epipedon D Mg or Fe Concretions D Sulfidic Odor D High Organic Content in Surface Layer of Sandy Soils D Aquic Moisture Regime D Organic Streaking in Sandy Soils D Reducing Conditions D Listed on National/Local Hydric Soils List [gI Gleyed or Low-Chroma (=1) matrix o Other (explain in remarks) Hydric soils present? [gI Yes DNo Rationale for decision/Remarks: Wetland Determination Hydrophytic vegetation present? DYes [gI No Hydric soils present? [gI Yes DNo Wetland hydrology present? DYes [gI No Is the sampling point within a wetland? DYes [gI No Rationale/Remarks: This Data Point is uoslooe and outside drainaae. NOTES: Revised 4/9.1. .__-~-,..~--_.~__-~--;-.. . r"'''....~ r;-~:.\ ..\ (' 11 \t,Jf. , \ \ ~; \ \ ,- ~J ~~":'l J ~ ill ) '--- .--.----, \ \ ~ f. 1 I 1 \ \ \ ii DEe 2 7 2005 \ l~j :~.~i(OP~ENTJ \ I. ,L_.__-__ TttIe: Wetland Boundary Map Salle: Sheet Olympi( Wetland Resources, lo( 3871 West Valley Road f>.$ Indicated Chimacum WA 98325 Dote: 856 50th Street November 2006 #2 Port Townsend, WA 98368 ctrent: Eric and Jamie Jensen 360 385.6432 3871 West Valley Road Job #: 2006-1120 dixie@mblespeed.rom Chimacum, WA 98325 Parcel #901 342 010 All wetland locations and sizes are approximate; to establish exact points a formal survey is required t &0. ~ &0~ ~(j. 09- ~ Approximate location of proposed residence NTS Proposed Septic and Drainfield co LO o C\I Delineated Wetland Edge 50' Buffer From Wetland Edge Flagged delineation markers . Data Points liN ! t.'. t ..i r- I- I, Ji i 1 i 266 ~ ~ ~ ~ . . . ~ ... "~ Type 5 Creek to Chimacum Creek (as mapped on the Critical Areas Map) 901 342 008 fn: " lJ...l. ,i" Ii \\{j f', , ".i\t. '. \ v ~,~ j; --1 I 2 7 JE~OFl~j